\begin{table}%t4
	%\centering
\par
	\caption{Example of the LYRA total uncertainty budget with 1s integration time ($\Delta T/T=\pm75 10^{-6}$) at solar minimum (spectrum of 29 June 2008). $\overline{\Delta E}/\overline{E}$ is the relative uncertainty of the LYRA instrument.}
	\label{tab:Tab4}
%	%\centering
\par
\begin{tabular}{ccccc} 
\hline\hline\\[-3mm]             
ch.\# & $\Delta i/i$  $\times10^{-4}$ & $\Delta A/A$ $\times10^{-4}$ & $\Delta\int FD/\int FD$  $\times10^{-2}$& $\overline{\Delta E}/\overline{E}$  $\times10^{-2}$\\
\hline
  \multicolumn{5}{l}{\it Unit 1} \\
%\hline
  1-1 & 2.8	&4.2&	9.69& $\pm9.77$\\
  1-2 & 0.1	&4.2&	5.88&	$\pm5.94$\\
  1-3 & 1.1	&4.2&	1.02&	$\pm 1.08$\\
  1-4 & 0.7	&5.6&	1.00&	$\pm 1.06$\\
\hline
  \multicolumn{5}{l}{\it Unit 2} \\
%\hline
  2-1 & 0.1&	5.6&	11.49& $\pm 11.56$\\
  2-2 & 0.1&	7.1&	5.04&	$\pm5.12$\\
  2-3 & 1.3&	5.6&	1.22&	$\pm 1.29$\\
  2-4 & 0.5&	4.1&	1.00&	$\pm1.05$\\
\hline
  \multicolumn{5}{l}{\it Unit 3} \\
%\hline
  3-1 & 0.1&	7.0&	4.17& $\pm4.24$\\
  3-2 & 0.1&	5.6&	3.17& $\pm3.23$\\
  3-3 & 0.6&	7.0&	1.50& $\pm1.59$\\
  3-4 & 0.7&	7.1&	1.00& $\pm1.08$\\
\hline
\end{tabular}
\vspace*{4mm}
\end{table}